Decorative vent cap: Magnetic vent caps come in two colors: white and grey with metal drawing textures, in a classic or minimalist style, allowing you to match it with your room decor and blend in the right way with your walls or floors. Strong Magnetic: The vent cover is made of thick high-grade strong magnetic material, which ensures a firm fixation when closing the register. Customizable: Magnetic vent covers are 5.5x12 inches (approximately 14.9 x 30.5 cm), and they can be easily cut to fit the size and shape of your exhaust port.Please check the size of metal vents for ceilings, floors, walls and other places you need. Energy saving: Energy efficiency is improved by covering vents in rooms that are rarely used or require less heating or cooling. More uses: Magnetic vent cover is suitable for ceilings, floors, air conditioners, RV floor exhaust covers and other places, and is suitable for metal exhaust materials, not aluminum. Quantity:2 Pack Color:As Shown Material:Rubber Iron Package Contents: 1set * magnetic air vent covers